The City of Naperville, Illinois data breach

Clerk's notes

The City of Naperville, Illinois, recently reported a data breach incident. This report was officially filed with the New Hampshire Attorney General's office on July 14, 2025. The city, which manages extensive administrative records and public services, confirmed that unauthorized access to certain systems occurred.

While the specific nature of the breach remains under investigation, the incident indicates that personal information held by The City of Naperville, Illinois, may have been exposed. The city typically collects and stores various types of data to provide services and manage its operations.

If you have received a data breach notification letter from The City of Naperville, Illinois, it means your personal information was likely involved. Such notifications are sent to inform affected individuals about the incident and guide them on steps to take.

It is advisable to carefully review any official communications from The City of Naperville, Illinois, regarding this event. Consider monitoring your accounts for any unusual activity and remain vigilant against potential identity theft or fraud.

Understanding the full scope of this incident and its potential impact is important. For those affected, reviewing your options and understanding your rights can provide clarity. If you received a notification, you may be eligible for a free case review to discuss the specifics of your situation.

If a notification letter about this breach reached you, see every New Hampshire data breach on file or browse all cases.